77131756700713 has 64 divisors (see below), whose sum is σ = 92533896612864. Its totient is φ = 63372693600000.

The previous prime is 77131756700699. The next prime is 77131756700723. The reversal of 77131756700713 is 31700765713177.

It is a cyclic number.

It is not a de Polignac number, because 77131756700713 - 2¹⁷ = 77131756569641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77131756700723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 870016438 + ... + 870105088.

It is an arithmetic number, because the mean of its divisors is an integer number (1445842134576).

Almost surely, 2^{77131756700713} is an apocalyptic number.

It is an amenable number.

77131756700713 is a deficient number, since it is larger than the sum of its proper divisors (15402139912151).

77131756700713 is a wasteful number, since it uses less digits than its factorization.

77131756700713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89446.

The product of its (nonzero) digits is 4537890, while the sum is 55.

The spelling of 77131756700713 in words is "seventy-seven trillion, one hundred thirty-one billion, seven hundred fifty-six million, seven hundred thousand, seven hundred thirteen".